html,body {
	margin: 0 auto;
	padding: 0;
	color: #666;
	width: 100%;
	height: 100%;
	
	 padding-top: constant(safe-area-inset-top);   //为导航栏+状态栏的高度 88px            
}
ul, p, h1, h2, h3, h4, h5, h6, dl, dd, div, li, img, a, button {
	font-family: "Microsoft Yahei", "Hiragino Sans GB", "Helvetica Neue",Helvetica;
	margin: 0px;
	padding: 0px;
	border: none;
	outline: 0;
	font-weight: normal;
	font-size: 12px;
	vertical-align: baseline;
	list-style:none;
}

button {
	box-shadow: none;
	cursor: pointer;
}
input {
	border: none;
	outline: 0;
}

a {
	color: #333;
	text-decoration: none;
}

a:hover {
	color: #333;
	text-decoration: none;
}

h1 {
	color: #111;
}

.lf {
	float: left;
}

.rt {
	float: right;
}

.clear {
	clear: both;
}
html, div, section, header, nav, hr, aside, h1, h2, h3, h4, h5, p, a,
ul, li, img, span, em, table, tr, td, form, label, input, select, dl, dt, dd ,textarea{
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}
img {
	vertical-align: bottom;
	width: 100%;
}
input::-webkit-inner-spin-button {
	-webkit-appearance: none;
}
input::-webkit-outer-spin-button {
	-webkit-appearance: none;
}
.clearfix:after {
	content: "";
	clear: both;
	display: block;
	visibility: hidden;
	height: 0
}